Electrical Theory

Transformer Losses and Efficiency
  • Electrical Theory

Transformer Losses and Efficiency

All transformers have copper and core losses. Copper loss is power lost in the primary and secondary windings of a…

6 years ago
  • Electrical Theory

Three Phase Transformer Connections

So far, our discussion has dealt with the operation of single-phase transformers. Three-phase transformer operation is identical except that three…

6 years ago
  • Electrical Theory

Transformer Current Ratio

The current in the windings of a transformer is inversely proportional to the voltage in the windings. This relationship is…

6 years ago
  • Electrical Theory

Transformer Voltage Ratio

The voltage of the windings in a transformer is directly proportional to the number of turns on the coils. This…

6 years ago
  • Electrical Theory

Transformer Theory of Operation

A transformer works on the principle that energy can be transferred by magnetic induction from one set of coils to…

6 years ago
  • Electrical Theory

Transformer Efficiency

Efficiency of a transformer is the ratio of the power output to the power input, as illustrated by Equation. where…

6 years ago
  • Electrical Theory

Transformer Impedance Ratio

Maximum power is transferred from one circuit to another through a transformer when the impedances are equal, or matched. A…

6 years ago
  • Electrical Theory

Transformer Turns Ratio

Each winding of a transformer contains a certain number of turns of wire. The turns ratio is defined as the…

6 years ago
  • Electrical Theory

Transformer Mutual Induction

If flux lines from the expanding and contracting magnetic field of one coil cut the windings of another nearby coil,…

6 years ago
  • Electrical Theory

Starting a Synchronous Motor

A synchronous motor may be started by a DC motor on a common shaft. When the motor is brought to…

6 years ago